Grounding bar



FIG. 1 is a perspective top front view of a grounding bar, showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right elevation view thereof;

FIG. 5 is a left elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof, but shown rotated 180 degrees. 

CLAIM The ornamental design for a grounding bar, as shown and described. 